and then there was the similarity to stonehenge. could it really have been a coincidence that this ancient monument was also found in wilshire? >> a proliferation of ancient sites 2000 or 3000 years old all around you here and at other locations where these things appear, possibly right in there lies the answer. >> both stonehenge and crop circles draw thousands to wilshire each year. for them, it is all about the mystery. >> it's got squares and channels. >> they do feel something really strong. it is like a charge of energy. >> it actually could be intelligent life. >> even though there are fewer crop circles appearing in wilshire, tourists at the crop circle infrastructure -- info center have their own theories. >> my instinct tells me that anything supernatural is something that we as humans do not yet understand. >> but understandable it may be after all. for matthew williams, it was just impractical. >> i had hay fever really badly. i needed to take time off the coast every time i made the circle, it was like i had been beaten

we can go to stonehenge. in that way -- my husband ed -- he is a wonderful has a wonderful capacity for denial so he sort of latched onto the hey we are going to london and this will be great and didn't even think about the segment in which we were going to have to -- and this was ultrasound. people often said you were found with an mri. in that case you have have privacy at least. a bit cramped and uncomfortable but you would have privacy. with ultrasound the guy is right here the wind. so it was tremendously awkward experience but at the same time i was thinking this is going to be so fun to write. it was so much fun to write. my husband ed deserves a medal for this because he didn't have any sort of silver lining like that. for him it was just a really awkward thing and of course the performance was on him and yeah. i could go into more detail but i don't think we need to probably right here. >> host: in your first book mary roach "stiff" the curious lives of human cadavers the first line in that look is t